CN216152220U

CN216152220U - Quick release mechanism for wrench head and wrench rod

Info

Publication number: CN216152220U
Application number: CN202122152879.XU
Authority: CN
Inventors: 蒋步斌
Original assignee: Nantong Tianmao Machinery Manufacturing Co ltd
Current assignee: Nantong Tianmao Machinery Manufacturing Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-04-01
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a quick release mechanism of a wrench head and a wrench rod, which comprises the wrench head and the wrench rod, wherein the wrench rod comprises a rod head and a rod body, the rod body is matched with the wrench head, the connecting part of the wrench head is of a hollow structure, the middle part and the end part of the wrench head are respectively and symmetrically provided with a clamping groove and a positioning groove, the positioning groove is communicated with the end surface of the wrench head, the rod head is respectively provided with a sliding groove and a positioning rod, the inside of the sliding groove is connected with a clamping block in a sliding way, and a spring is fixedly connected between the bottom of the sliding groove and the clamping block; according to the wrench, the wrench head, the wrench rod, the positioning groove, the positioning rod, the sliding groove, the clamping block, the clamping groove, the spring and the like are arranged, the wrench head and the wrench rod are locked and connected by the aid of the clamping block and the clamping groove, the method is simple, the positioning rod and the positioning groove are matched, a guiding effect can be achieved, the rotating pair of the wrench rod can be limited, and the wrench is more labor-saving in use.

Description

Quick release mechanism for wrench head and wrench rod

Technical Field

The utility model relates to the technical field of wrenches, in particular to a quick release mechanism for a wrench head and a wrench rod.

Background

The spanner is a common mounting and dismounting tool, is a manual tool for screwing bolts, screws, nuts and other threads to tightly hold openings or trepanning fasteners of the bolts or the nuts by utilizing the lever principle, and mainly comprises a spanner head and a spanner rod.

At present, a wrench head and a wrench rod of a wrench are connected by a hole shaft and are positioned by a positioning pin. The traditional connecting mechanism has the defects that when the wrench head is replaced or disassembled, the positioning pin is required to be pressed to a state that the wrench head and the wrench rod can be pulled out by a corresponding tool, so that the inconvenience in disassembly is caused; therefore, an apparatus is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the quick release mechanism of the wrench head and the wrench rod.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a wrench head and wrench rod's fast mechanism of taking off, includes wrench head and wrench rod, wrench rod includes pole head and pole body, pole body and wrench head are mutually supported, the connection position of wrench head is hollow structure, and its middle part and tip symmetry respectively have seted up draw-in groove and constant head tank, the terminal surface intercommunication of constant head tank and wrench head, be provided with spout and locating lever respectively with the corresponding position of draw-in groove and constant head tank on the pole head, the inside sliding connection of spout has the fixture block, fixedly connected with spring between the tank bottom of spout and the fixture block, the fixture block mutually supports with the draw-in groove.

According to a preferable technical scheme of the utility model, the groove bottom of the sliding groove and the contact position of the fixture block and the spring are both provided with a hole groove, and two ends of the spring are both welded inside the hole groove.

As a preferable technical solution of the present invention, the sectional shape of the fixture block is a right trapezoid.

As a preferable technical solution of the present invention, a size of a cross section of the fixture block fitted with the sliding groove is the same as a size of a cross section of the sliding groove.

In a preferred embodiment of the present invention, a rubber pad is bonded to an inside of the wrench head connecting portion.

In a preferred embodiment of the present invention, the outer wall of the shaft is provided with a convex line along an axial direction of the shaft.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. through setting up wrench head, wrench rod, constant head tank, locating lever, spout, fixture block, draw-in groove and spring isotructure, utilize the cooperation of fixture block and draw-in groove, to wrench head and wrench rod locking be connected, the method is simple, utilizes the cooperation of locating lever and constant head tank, not only can play the effect of direction, can also be to carrying on spacingly to the commentaries on classics of wrench rod for it is more laborsaving that the spanner uses.

2. Through all welding the both ends with the spring in the inside of hole groove, can promote the stability of spring, and then hoisting device's stability.

3. Through setting up that fixture block and spout complex cross sectional dimension are the same with the cross sectional dimension size of spout for the spout has carried on spacingly to the drunkenness of fixture block, promotes the stability of fixture block, thereby further hoisting device's stability.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional front view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic top view of the present invention;

wherein: 1. a wrench head; 2. a spanner bar; 3. a club head; 4. a shaft body; 5. positioning a groove; 6. positioning a rod; 7. a clamping block; 8. a convex strip; 9. a card slot; 10. a rubber pad; 11. a chute; 12. a spring; 13. and (4) a hole groove.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, the present invention provides a quick release mechanism for a wrench head and a wrench rod, comprising a wrench head and a wrench rod, wherein the wrench rod comprises a rod head and a rod body, the rod body is matched with the wrench head, the connection part of the wrench head is a hollow structure, the middle part and the end part of the wrench head are respectively and symmetrically provided with a clamping groove and a positioning groove, the cross-sectional shape of the fixture block is a right trapezoid, the positioning groove is communicated with the end surface of the wrench head, the positions of the rod head corresponding to the clamping groove and the positioning groove are respectively provided with a sliding groove and a positioning rod, the inside of the sliding groove is connected with the fixture block in a sliding manner, a spring is fixedly connected between the bottom of the sliding groove and the fixture block, and the fixture block is matched with the clamping groove;

when the clamping block is completely corresponding to the clamping groove, the clamping block is popped out under the action of the spring, so that the matching between the clamping block and the clamping groove is completed, and the wrench head and the wrench rod are locked; the design of above-mentioned structure utilizes the cooperation of fixture block and draw-in groove, has carried out the locking to spanner head and spanner pole and has been connected, and the method is simple, utilizes the cooperation of locating lever and constant head tank, not only can play the effect of direction, can also be spacing to the commentaries on classics of spanner pole for it is more laborsaving that the spanner uses.

In other embodiments, the groove bottom of the sliding groove and the position where the clamping block is contacted with the spring are both provided with a hole groove, and both ends of the spring are welded inside the hole groove; when the lifting device is used, the two ends of the spring are welded inside the hole groove, the stability of the spring can be improved, and the stability of the lifting device is improved.

In other embodiments, the size of the section of the clamping block matched with the sliding groove is the same as that of the section of the sliding groove; when the clamping fixture is used, the sliding groove is limited to play of the clamping block due to the design of the size, the stability of the clamping block is improved, and therefore the stability of the device is further improved.

In other embodiments, the rubber pad is bonded inside the connecting part of the wrench head, and when the wrench head is used, the rubber pad can avoid the direct contact between the rod head and the wrench head, so that the protection of the device is realized.

In other embodiments, the outer wall of the shaft is provided with a convex strip along the axial direction of the shaft, and when the device is used, the convex strip can increase the friction force between a palm and the shaft, so that the device is more labor-saving to use.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wrench head and wrench rod's fast mechanism that takes off, includes wrench head (1) and wrench rod (2), its characterized in that: spanner pole (2) are including pole head (3) and pole body (4), pole body (4) and spanner head (1) are mutually supported, the connection part of spanner head (1) is hollow structure, and draw-in groove (9) and constant head tank (5) have been seted up respectively to its middle part and tip symmetry, the terminal surface intercommunication of constant head tank (5) and spanner head (1), be provided with spout (11) and locating lever (6) respectively with draw-in groove (9) and constant head tank (5) corresponding position on pole head (3), spout (11) inside sliding connection has fixture block (7), fixedly connected with spring (12) between the tank bottom of spout (11) and fixture block (7), fixture block (7) and draw-in groove (9) mutually support.

2. The quick release mechanism for a wrench head and a wrench rod as claimed in claim 1, wherein: the bottom of the sliding groove (11) and the contact position of the clamping block (7) and the spring (12) are both provided with a hole groove (13), and two ends of the spring (12) are both welded inside the hole groove (13).

3. The quick release mechanism for a wrench head and a wrench rod as claimed in claim 2, wherein: the cross section of the fixture block (7) is in a right trapezoid shape.

4. The quick release mechanism for a wrench head and a wrench rod as claimed in claim 3, wherein: the size of the section of the clamping block (7) matched with the sliding groove (11) is the same as that of the section of the sliding groove (11).

5. The quick release mechanism for a wrench head and a wrench rod as claimed in claim 1, wherein: a rubber pad (10) is bonded inside the connecting part of the wrench head (1).

6. The quick release mechanism for a wrench head and a wrench rod as claimed in claim 1, wherein: and a convex strip (8) is arranged on the outer wall of the rod body (4) along the axial direction of the rod body (4).